Period
to 17 December 2018

The following table provides summary statistics for contract job vacancies advertised in Essex with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 17 December 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
6 months to
17 Dec 2018
Same period 2017 Same period 2016
Rank 9 2 18
Rank change year-on-year -7 +16 +5
Contract jobs citing TDD 179 232 72
As % of all contract IT jobs advertised in Essex 16.76% 31.14% 8.69%
As % of the Processes & Methodologies category 18.78% 35.58% 9.96%
Number of daily rates quoted 139 178 54
Essex median daily rate £525 £513 £469
Median daily rate % change year-on-year +2.44% +9.33% -10.71%
10th Percentile £409 £365 £261
90th Percentile £600 £600 £573
East of England median daily rate £525 £485 £463
% change year-on-year +8.25% +4.86% +8.82%
Number of hourly rates quoted 4 24 3
Essex median hourly rate £46.23 £62.50 £36.00
Median hourly rate % change year-on-year -26.04% +73.61% -1.83%
East of England median hourly rate £41.25 £62.50 £38.51
% change year-on-year -34.00% +62.30% +2.83%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for process or methodology skills.

All Process and Methodology Skills
Essex
Contract vacancies with a requirement for process or methodology skills 953 652 723
As % of all contract IT jobs advertised in Essex 89.23% 87.52% 87.21%
Number of daily rates quoted 578 440 441
Essex median daily rate £500 £500 £350
Median daily rate % change year-on-year - +42.86% -12.50%
10th Percentile £325 £308 £225
90th Percentile £600 £600 £525
East of England median daily rate £445 £425 £400
% change year-on-year +4.71% +6.25% -
Number of hourly rates quoted 35 54 133
Essex median hourly rate £16.50 £35.50 £32.40
Median hourly rate % change year-on-year -53.52% +9.57% +2.86%
10th Percentile £12.55 £15.75 £15.75
90th Percentile £48.25 £63.75 £43.75
East of England median hourly rate £17.97 £36.00 £31.75
% change year-on-year -50.08% +13.39% +27.00%

TDD
Job Vacancy Trend in Essex

Job postings citing TDD as a percentage of all IT jobs advertised in Essex.

Job vacancy trend for TDD in Essex

TDD
Contractor Daily Rate Trend in Essex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Essex.

Contractor daily rate trend for TDD in Essex

TDD
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing TDD in Essex over the 6 months to 17 December 2018.

Contractor daily rate histogram for TDD in Essex

TDD
Contractor Hourly Rate Trend in Essex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Essex.

Contractor hourly rate trend for TDD in Essex

TDD
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing TDD in Essex over the 6 months to 17 December 2018.

Contractor hourly rate histogram for TDD in Essex

TDD
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Essex region over the 6 months to 17 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Southend-on-Sea -22 42 £505 -6.05% 4
Basildon +3 9 £475 +5.56%
Brentwood -3 8 £475 +35.71% 2
Harlow - 3 £475 - 1
Chelmsford - 2 £450 - 2
Colchester - 1 £700 - 2
TDD
East of England

For the 6 months to 17 December 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Essex region with a requirement for TDD.

1 152 (84.92%) Agile Software Development
2 101 (56.42%) Scrum
3 100 (55.87%) Java
4 89 (49.72%) SOAP
5 87 (48.60%) Web Services
5 87 (48.60%) SOA
6 84 (46.93%) Marketing
7 81 (45.25%) Business Intelligence
7 81 (45.25%) Greenfield Project
8 80 (44.69%) Oracle
9 78 (43.58%) Manufacturing
10 77 (43.02%) Finance
11 76 (42.46%) Telecoms
11 76 (42.46%) Programme Management
12 75 (41.90%) Electronics
12 75 (41.90%) SAP
12 75 (41.90%) Digital Marketing
13 69 (38.55%) XML
14 68 (37.99%) RESTful
15 58 (32.40%) Kanban
16 57 (31.84%) Middleware
17 52 (29.05%) Test Automation
17 52 (29.05%) WSO2
18 51 (28.49%) User Stories
18 51 (28.49%) BDD
19 48 (26.82%) Oracle SOA Suite
19 48 (26.82%) JSON
19 48 (26.82%) Apache Camel
19 48 (26.82%) Java 8
20 47 (26.26%) Mule

TDD
Co-occurring IT Skills in Essex by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 48 (26.82%) Oracle SOA Suite
2 47 (26.26%) Mule
3 46 (25.70%) Oracle Service Bus
4 34 (18.99%) Confluence
5 9 (5.03%) Adobe Experience Manager
5 9 (5.03%) WebLogic
5 9 (5.03%) WebSphere
6 8 (4.47%) Apache
6 8 (4.47%) Cloud Foundry
7 5 (2.79%) JBoss
8 2 (1.12%) Elasticsearch
9 1 (0.56%) CMS
9 1 (0.56%) Tomcat
Applications
1 1 (0.56%) Microsoft Excel
1 1 (0.56%) Microsoft Project
Cloud Services
1 27 (15.08%) Amazon AWS
2 2 (1.12%) GitHub
3 1 (0.56%) Google Analytics
3 1 (0.56%) Microsoft Azure
3 1 (0.56%) Serverless
Communications & Networking
1 17 (9.50%) HTTP
2 15 (8.38%) SSL
2 15 (8.38%) TCP/IP
3 11 (6.15%) Internet
4 1 (0.56%) PuTTY
4 1 (0.56%) SMS
4 1 (0.56%) WinSCP
Database & Business Intelligence
1 18 (10.06%) MySQL
2 13 (7.26%) Pentaho
3 12 (6.70%) Relational Database
4 9 (5.03%) BusinessObjects
5 8 (4.47%) Impala
5 8 (4.47%) NoSQL
6 6 (3.35%) Oracle Database
7 5 (2.79%) SQL Server
8 4 (2.23%) Geospatial Data
8 4 (2.23%) GIS
9 3 (1.68%) MariaDB
10 2 (1.12%) MongoDB
11 1 (0.56%) Big Data
11 1 (0.56%) Data Warehouse
11 1 (0.56%) Hadoop
11 1 (0.56%) HBase
11 1 (0.56%) JasperReports
11 1 (0.56%) RDBMS
11 1 (0.56%) Triplestore
Development Applications
1 44 (24.58%) Maven
2 43 (24.02%) SoapUI
3 41 (22.91%) Jenkins
3 41 (22.91%) JIRA
4 34 (18.99%) Git (software)
5 31 (17.32%) Selenium
6 23 (12.85%) JMeter
6 23 (12.85%) Subversion
7 20 (11.17%) JUnit
8 14 (7.82%) Cucumber
9 13 (7.26%) LoadRunner
10 11 (6.15%) Gradle
10 11 (6.15%) JIRA Agile
11 10 (5.59%) Eclipse
12 8 (4.47%) Ant
13 7 (3.91%) AccuRev
13 7 (3.91%) Bitbucket
13 7 (3.91%) CA Gen
13 7 (3.91%) Checkstyle
13 7 (3.91%) Zephyr
General
1 84 (46.93%) Marketing
2 78 (43.58%) Manufacturing
3 77 (43.02%) Finance
4 76 (42.46%) Telecoms
5 75 (41.90%) Electronics
6 7 (3.91%) Automotive
7 2 (1.12%) Legal
8 1 (0.56%) Banking
8 1 (0.56%) Retail
Job Titles
1 86 (48.04%) Developer
2 61 (34.08%) Java Developer
3 46 (25.70%) Senior Developer
4 38 (21.23%) Integration Developer
5 27 (15.08%) Senior Java Developer
6 25 (13.97%) Tester
7 18 (10.06%) SOA Developer
8 17 (9.50%) Agile Developer
9 16 (8.94%) Architect
9 16 (8.94%) Lead Developer
9 16 (8.94%) Scrum Master
10 15 (8.38%) Lead Java Developer
11 14 (7.82%) Analyst
11 14 (7.82%) Automation Tester
12 13 (7.26%) Senior Agile Developer
13 12 (6.70%) Infrastructure Architect
14 10 (5.59%) Test Analyst
15 8 (4.47%) Business Analyst
15 8 (4.47%) Technical Business Analyst
16 7 (3.91%) Product Owner
Libraries, Frameworks & Software Standards
1 89 (49.72%) SOAP
2 87 (48.60%) Web Services
3 69 (38.55%) XML
4 68 (37.99%) RESTful
5 57 (31.84%) Middleware
6 48 (26.82%) Apache Camel
6 48 (26.82%) JSON
7 34 (18.99%) Spring
8 30 (16.76%) REST
9 26 (14.53%) Spring Boot
10 25 (13.97%) Swagger
10 25 (13.97%) WireMock
11 24 (13.41%) XSLT
12 15 (8.38%) CSS
13 14 (7.82%) HTML
14 13 (7.26%) J2EE
14 13 (7.26%) JPA
14 13 (7.26%) SAML
15 11 (6.15%) AngularJS
15 11 (6.15%) EclipseLink
Miscellaneous
1 81 (45.25%) Greenfield Project
2 14 (7.82%) Self-Motivation
3 13 (7.26%) Client/Server
4 10 (5.59%) Clustering
5 7 (3.91%) Analytical Skills
5 7 (3.91%) Enterprise Software
5 7 (3.91%) Hybrid Cloud
5 7 (3.91%) Virtual Team
6 5 (2.79%) Replication
7 1 (0.56%) Data Structures
7 1 (0.56%) Foreign Exchange (FX)
7 1 (0.56%) Mainframe
7 1 (0.56%) Tandem
7 1 (0.56%) Web 2.0
Operating Systems
1 40 (22.35%) Unix
2 37 (20.67%) Linux
3 9 (5.03%) Windows
4 7 (3.91%) Solaris
5 6 (3.35%) Apple iOS
6 4 (2.23%) Android
7 3 (1.68%) CentOS
7 3 (1.68%) Mac OS X
8 1 (0.56%) Red Hat Enterprise Linux
Processes & Methodologies
1 152 (84.92%) Agile Software Development
2 101 (56.42%) Scrum
3 87 (48.60%) SOA
4 81 (45.25%) Business Intelligence
5 76 (42.46%) Programme Management
6 75 (41.90%) Digital Marketing
7 58 (32.40%) Kanban
8 52 (29.05%) Test Automation
9 51 (28.49%) BDD
9 51 (28.49%) User Stories
10 31 (17.32%) Continuous Integration
11 30 (16.76%) Microservices
12 28 (15.64%) DevOps
13 24 (13.41%) Coaching
14 23 (12.85%) Scaled Agile Framework
14 23 (12.85%) User Acceptance Testing
15 22 (12.29%) Functional Testing
16 21 (11.73%) Deployment Automation
16 21 (11.73%) Software Engineering
17 19 (10.61%) MVC
Programming Languages
1 100 (55.87%) Java
2 48 (26.82%) Java 8
3 40 (22.35%) SQL
4 24 (13.41%) XPath
5 15 (8.38%) JavaScript
6 13 (7.26%) Groovy
7 12 (6.70%) PL/SQL
8 11 (6.15%) Perl
9 9 (5.03%) C
10 7 (3.91%) Java 9
10 7 (3.91%) Shell Script
11 6 (3.35%) Apple Swift
11 6 (3.35%) Objective-C
12 4 (2.23%) C#
13 2 (1.12%) Kotlin
13 2 (1.12%) Python
14 1 (0.56%) Ruby
14 1 (0.56%) T-SQL
14 1 (0.56%) VB
14 1 (0.56%) VB.NET
Qualifications
1 18 (10.06%) ISEB
2 17 (9.50%) ISTQB
3 15 (8.38%) Security Cleared
4 14 (7.82%) SC Cleared
5 2 (1.12%) Computer Science Degree
5 2 (1.12%) Degree
5 2 (1.12%) OCPJP
5 2 (1.12%) Sun Certification
6 1 (0.56%) BPSS Clearance
6 1 (0.56%) ISEB Practitioner
6 1 (0.56%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 19 (10.61%) QA
2 12 (6.70%) Data Quality
System Software
1 15 (8.38%) Docker
2 6 (3.35%) Active Directory
2 6 (3.35%) Virtual Machines
Systems Management
1 23 (12.85%) Ansible
2 6 (3.35%) Opscode Chef
2 6 (3.35%) Puppet
3 5 (2.79%) Single Sign-On
4 3 (1.68%) Kibana
5 2 (1.12%) Kubernetes
5 2 (1.12%) logstash
5 2 (1.12%) Terraform
6 1 (0.56%) HP Quality Center
6 1 (0.56%) Mesos
Vendors
1 80 (44.69%) Oracle
2 75 (41.90%) SAP
3 52 (29.05%) WSO2
4 12 (6.70%) Adobe
5 10 (5.59%) Informatica
6 8 (4.47%) IBM
7 7 (3.91%) BEA
7 7 (3.91%) Pega
7 7 (3.91%) webMethods
8 6 (3.35%) Talend
9 4 (2.23%) Google
10 3 (1.68%) Microsoft
10 3 (1.68%) Red Hat
11 2 (1.12%) Cloudera
11 2 (1.12%) Sun
12 1 (0.56%) Atlassian
12 1 (0.56%) Hortonworks
12 1 (0.56%) MapR
12 1 (0.56%) New Relic
12 1 (0.56%) Omniture